From owner-freebsd-hackers  Mon Nov  2 09:47:23 1998
Return-Path: <owner-freebsd-hackers@FreeBSD.ORG>
Received: (from majordom@localhost)
          by hub.freebsd.org (8.8.8/8.8.8) id JAA12797
          for freebsd-hackers-outgoing; Mon, 2 Nov 1998 09:47:23 -0800 (PST)
          (envelope-from owner-freebsd-hackers@FreeBSD.ORG)
Received: from scanner.worldgate.com (scanner.worldgate.com [198.161.84.3])
          by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id JAA12778
          for <hackers@FreeBSD.ORG>; Mon, 2 Nov 1998 09:47:00 -0800 (PST)
          (envelope-from marcs@znep.com)
Received: from znep.com (uucp@localhost)
	by scanner.worldgate.com (8.9.1a/8.9.1) with UUCP id KAA11756;
	Mon, 2 Nov 1998 10:46:46 -0700 (MST)
Received: from localhost (marcs@localhost) by alive.znep.com (8.7.5/8.7.3) with ESMTP id JAA05631; Mon, 2 Nov 1998 09:42:35 -0800 (PST)
Date: Mon, 2 Nov 1998 09:42:35 -0800 (PST)
From: Marc Slemko <marcs@znep.com>
To: Terry Lambert <tlambert@primenet.com>
cc: hackers@FreeBSD.ORG
Subject: Re: scanf in the kernel?
In-Reply-To: <199811012142.OAA27464@usr05.primenet.com>
Message-ID: <Pine.BSF.4.03.9811020935550.277-100000@alive.znep.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
X-Loop: FreeBSD.ORG

On Sun, 1 Nov 1998, Terry Lambert wrote:

> > #define memcpy(d,s,n) bcopy(s,d,n)
> > 
> > not exactly rocket science :-)
> 
> Actually, bcopy is closer to memmove, since it supports overlapping
> ranges as its arguments.

bcopy doesn't support overlapping ranges on all systems.

eg. IRIX 6.2 man page:

NOTE
     The use of overlapping buffers with bcopy is not guaranteed to work.  Use
     the memmove(3C) function if the buffers might overlap.


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message